<template>
  <div>
    <!-- 面包屑 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card class="main">
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">
            添加商品
          </el-button></el-col
        >
      </el-row>

      <!-- 表格区域 -->
      <el-table :data="goodslist" border stripe>
        <!-- 索引列 -->
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column
          label="商品价格(元)"
          prop="goods_price"
          width="95px"
        ></el-table-column>
        <el-table-column
          label="商品重量"
          prop="goods_weight"
          width="95px"
        ></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">
            {{ scope.row.add_time | deteFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="140px">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="primary"
              icon="el-icon-edit"
              @click="getList(scope.row.goods_id)"
            ></el-button>
            <el-button
              size="mini"
              type="danger"
              icon="el-icon-delete"
              @click="removeById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>

    <!-- 编辑对话框 -->
    <el-dialog title="编辑商品" :visible.sync="dialogVisible" width="42%">
      <!-- 表单 
      rules 验证规则
      ref 表单的引用
      -->
      <el-form
        :model="querygoodslist"
        :rules="listRules"
        ref="listRulesRef"
        label-width="80px"
      >
        <el-form-item label="商品名称" prop="goods_name">
          <el-input v-model="querygoodslist.goods_name"></el-input>
        </el-form-item>
        <el-form-item label="商品价格" prop="goods_price" >
          <el-input v-model="querygoodslist.goods_price" type="number"></el-input>
        </el-form-item>
        <el-form-item label="商品重量" prop="goods_weight" >
          <el-input v-model="querygoodslist.goods_weight" type="number"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="dialogVisible = false"
          >确 定</el-button
        >
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 10,
      },
      //   商品列表
      goodslist: [],
      //   总数据条数
      total: 0,

      // 查询到的当前商品信息
      querygoodslist: {},
      // 对话框关闭与显示
      dialogVisible: false,
      // 表单验证
      listRules: {
        goods_name: [
          { required: true, message: "请输入商品名称", trigger: "blur" },
          {
            min: 1,
            max: 50,
            message: "长度在 1 到 50 个字符",
            trigger: "blur",
          },
        ],
        goods_price: [
          { required: true, message: "请输入商品重量", trigger: "blur" },
        ],
        goods_weight: [
          { required: true, message: "请输入商品重量", trigger: "blur" },
        ],
      },
    };
  },
  created() {
    this.getGoodsList();
  },
  methods: {
    async getGoodsList() {
      const { data: res } = await this.$http.get("goods", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200) {
        return this.$message.error("获取商品列表失败");
      }
      this.$message.success("获取商品列表成功");
      console.log(res.data);
      this.goodslist = res.data.goods;
      this.total = res.data.total;
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getGoodsList();
    },
    // 当前页码值发生变化
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getGoodsList();
    },
    // 删除商品
    async removeById(id) {
      const confirmResult = await this.$confirm(
        "此操作将永久删除该商品, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);

      if (confirmResult !== "confirm") {
        return this.$message.info("已经取消删除");
      }

      const { data: res } = await this.$http.delete(`goods/${id}`);
      if (res.meta.status !== 200) {
        return this.$message.error("删除失败");
      }
      this.$message.success("删除成功");
      this.getGoodsList();
    },
    // 添加商品
    goAddpage() {
      this.$router.push("/goods/add");
    },

    // 编辑商品
    async getList(id) {
      // console.log(id);
      const { data: res } = await this.$http.get("goods/" + id);
      if (res.meta.status !== 200) {
        return this.$message.error("查询id失败");
      }
      this.querygoodslist = res.data;
      this.dialogVisible = true;
      console.log(this.querygoodslist);
    },
  },
};
</script>

<style lang="less" scoped>
</style>